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ABC ত্রিভুজে যদি cosA=sinB-cosC হয়, তাহলে ত্রিভুজটি সম্পর্কে কোনটি সত্য? ত্রিভুজটি-
Road damage is often down to a few factors such as the quantity of traffic, the weight of the vehicles passing on it, and environmental conditions. XYZ town has a port, called ABC. To get to ABC, there is a road, that is divided into two lanes. One for the traffic going towards ABC port, and the other for traffic going away from ABC port. The lane of the road that leads to ABC port, has significantly less damage, than the lane that leads away from it. Which of the following helps explain this best?
∆ABC এর ∠ABC=∠BCA হলে ত্রিভুজটি হবে-
∆ABC এর ক্ষেত্রে- i. যদি ∠A = B = ∠C তবে ∆ABC সমবাহু ত্রিভুজ ii. যদি ∠A, ∠B এবং ∠C, প্রত্যেকে সূক্ষ্মকোণ তবে ∆ ABC সূক্ষ্মকোণী ত্রিভুজiii. ∠A = B + C হলে ∆ABC সমকোণী ত্রিভুজনিচের কোনটি সঠিক?
Given below are two statements, followed by three conclusions, I, II and III. You have to consider the statement to be true even if they to be at variance from commonly known fats. You have to decide which of the given conclusions, if any, support(s) the given statements. Statements 1: All the books written by X are textbooks. Statement 2: Some of his books are published by ABC Publishing Company. Conclusion 1: ABC Publishing Company publishes textbooks only. Conclusion II: Some textbook written by X are published by publishers other than ABC Publishing Company. Conclusion III: ABC Publishing Company publishes some critical theories written by X.
If the gametic composition of a genotype is AbC, Abc, abc, abC, in equal proportion, the genotype of the source individual is
∆ABC এ ∠A=x,∠B=3x এবংে ∠C=2x হলে ত্রিভুজটি হবে-
∆ABC -এ cosA=sinB-cosC হলে, ত্রিভুজটি হবে-
∆ABC এ cos A=sin B-cos C হলে ত্রিভুজটি হবে-
a এর কোন মানের জন্য ভেক্টর 2i + aj - k এরং ভেক্টর 4i - 2j -2k পরস্পরের উপর লম্ব হবে?